EP0994637A2 - Dispositif de traitement par plasma d'un matériel sous forme de barre ou de fil - Google Patents

Dispositif de traitement par plasma d'un matériel sous forme de barre ou de fil Download PDF

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Publication number
EP0994637A2
EP0994637A2 EP99118618A EP99118618A EP0994637A2 EP 0994637 A2 EP0994637 A2 EP 0994637A2 EP 99118618 A EP99118618 A EP 99118618A EP 99118618 A EP99118618 A EP 99118618A EP 0994637 A2 EP0994637 A2 EP 0994637A2
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EP
European Patent Office
Prior art keywords
plasma
nozzle
fiber
tube
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99118618A
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German (de)
English (en)
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EP0994637B1 (fr
EP0994637A3 (fr
Inventor
Peter FÖRNSEL
Christian Buske
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Individual
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Individual
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Publication of EP0994637A2 publication Critical patent/EP0994637A2/fr
Publication of EP0994637A3 publication Critical patent/EP0994637A3/fr
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Publication of EP0994637B1 publication Critical patent/EP0994637B1/fr
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/48—Generating plasma using an arc
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/62—Surface treatment of fibres or filaments made from glass, minerals or slags by application of electric or wave energy; by particle radiation or ion implantation
    • C03C25/6293—Plasma or corona discharge
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid

Definitions

  • the invention relates to a method and a device for plasma treatment of rod or thread-like material.
  • the surface is not wettable or difficult to wet with liquid. If such materials, printed, is therefore to be painted or provided with an adhesive layer pretreatment of the surface is generally required.
  • EP-A2-0 761 415 describes a method in which the Pretreatment not with corona discharge, but with the help of a low-temperature plasma takes place under atmospheric pressure.
  • a plasma nozzle for Implementation of this procedure is also mentioned in the publication described. During the pretreatment, the plasma nozzle is placed on the one to be treated Surface directed so that the plasma jet like the surface a brush sweeps over.
  • the materials to be treated can also be rod-shaped or thread-like Trade materials, for example synthetic fibers, yarns, threads, wires, plastic-coated cables, glass fibers and the like.
  • the object of the invention is to provide a method and a device, which is a particularly efficient plasma treatment of such rod-shaped or thread-like Enable materials.
  • the process according to the invention is characterized in that the material can run coaxially through the plasma nozzle.
  • the plasma nozzle which is an essential part of the device for carrying out of the method generally has a nozzle tube that is powered by a working gas is flowed through and at least at the outlet end a ring or forms tubular outer electrode.
  • a pin-shaped inner electrode is coaxial arranged inside the nozzle tube.
  • the plasma is generated by an electrical Discharge generated between the inner and outer electrodes. To do this a high voltage, preferably a high-frequency AC voltage, to the electrodes created.
  • a generator suitable for generating this voltage is described in DE-C-42 35 766.
  • the inner electrode of the plasma nozzle has a coaxial channel through which the material to be treated, hereinafter called fiber for short, runs through.
  • the fiber runs in the middle and coaxially through the plasma flame emerging from the plasma nozzle and can be applied uniformly over the entire circumferential surface in a single operation be treated.
  • the process is also suitable for plasma polymerizing the material as well for plasma coating.
  • the coating material is in gaseous state with the working gas or via separate nozzles at a suitable one Job fed.
  • the working gas is preferably swirled in the nozzle tube. This will also swirling of the plasma flame emerging from the plasma nozzle is achieved, so that the plasma flows around the fiber in a vortex shape and thereby comes into close contact comes with the surface of the fiber.
  • the fiber can freely pass through the nozzle tube over a substantial length extend.
  • the swirling of the working gas creates in the nozzle tube a vortex, and the electric discharge arc becomes within of the nozzle pipe in the vortex core of this verteis so that it fanned out only at the outlet of the nozzle to the surrounding outer electrode.
  • the channeled one winds Arc helically around the fiber, but without touching it.
  • thermal treatment of the surface can also be carried out of the fiber reach its intensity by controlling the swirl of the working gas and / or can be controlled by supplying secondary gas.
  • a plasma nozzle 10 is shown, the essential part of a device for plasma treatment of a fiber 12 forms.
  • the fiber 12 can, for example come directly from a spinning machine or from a not shown Coil are pulled off and will, for example, at a speed between 0.05 and 25 m / s, preferably between 5 and 25 m / s coaxial pulled through the plasma nozzle 10. It runs through an out of the Plasma nozzle 10 emerging free plasma 14 and is by the action of this Plasma pretreated evenly over its entire circumference, for example to increase the wettability with liquids.
  • the plasma nozzle 10 has a nozzle tube 16 made of electrically conductive material on, which also forms an outer electrode and towards an outlet 18 rejuvenated.
  • a ceramic tube 20 is connected upstream of the nozzle tube 16 into which a working gas, for example air under pressure, is fed through an inlet 22 can be initiated.
  • a swirl device 24 is arranged in the interior of the ceramic tube 20, which is essentially formed by a disc made of metal, the is provided with helical holes. Through the swirl device 24, the introduced compressed air is swirled so that it is within of the nozzle tube 16 forms a vortex 26 around the continuous fiber 12.
  • a pin-shaped inner electrode 28 is electrical with the swirl device 24 connected and protrudes into the interior of the nozzle tube 16.
  • the inner electrode 28 has a continuous axial channel 30 into which a guide tube 32 made of ceramic is used.
  • the guide tube 32 extends through the Swirl device 24 and through an end wall 34 forming the inlet 22 the plasma nozzle and is traversed by the fiber 12.
  • the nozzle tube 16 is grounded and to the inner electrode 28, a voltage is applied using a high-frequency generator 36.
  • a corona discharge first occurs, through which an arc discharge is then ignited.
  • the resulting arc 38 is entrained by the vortex-shaped air flow and prevented from to go directly to the outer electrode. This is how the arc 38 follows the core of the vertebra 26. If the fiber 12 were not present, the Vortex core and the arc run on the axis of the nozzle tube. Since the vortex-shaped flow is disturbed by the fiber 12, the winds Arc helically around the fiber 12. Due to the intense heat radiation, which arises from the arc 38, the surface of the fiber 12 be thermally treated or pretreated.
  • the fiber passes through the free plasma 14, which is due to the twist closes tightly around the fiber.
  • Plasma treatment through chemical / physical modification of the material instead of. Due to the conical shape of the nozzle tube and due to a volume expansion the generation of excited plasma accelerates the plasma, so that an elongated plasma flame and a correspondingly intense Treatment of the fiber 12 is achieved.
  • the effect and intensity treatment optimized by changing the following parameters the material properties of the fiber 12 and the respective application to be adjusted: throughput speed of the fiber, throughput and chemical Composition of the working gas, voltage and amplitude of the high voltage.
  • Figure 2 shows an embodiment in which the nozzle tube 16 of an outer jacket 40 is surrounded, which also tapers towards the outlet. about an inlet 42 is supplied with secondary gas, for example air, into the outer jacket.
  • secondary gas for example air
  • the throughput of the secondary gas then forms a further parameter, with which the geometry of the plasma can be influenced.
  • the secondary gas can possibly also in the same direction or in the opposite direction to the primary working gas are twisted and at the same time causes cooling of the nozzle tube 16. If necessary can by appropriate chemical composition of the secondary gas chemical treatment or coating of the fiber 12 is also achieved become.
  • a comparable effect can also be achieved with the arrangement according to FIG. 3, in which the nozzle tube 16 has a longer conical section and an inlet in its upper cylindrical part surrounding the ceramic tube 20 42 has, by the secondary gas swirled or unswirled directly into the Nozzle tube can be fed.
  • the guide tube 32 is upstream in this embodiment Plasma nozzle 10 connected to a cross line 46, the compressed air with high Speed is flowed through.
  • the fiber 12 through channel of the guide tube 32 according to the jet pump principle creates a negative pressure.
  • the section of the guide tube 32 between the transverse line 46 and the mouth in the inner electrode 28 are formed such an air flow that goes up, i.e. the direction of movement of the fiber 12 is directed in the opposite direction.
  • Figure 3 is also a way to supply a coating gas illustrated for plasma coating of fiber 12.
  • nozzle tube 16 in the region of its outlet one or more feeds 48 through which the coating gas is fed directly into the hot plasma zone becomes.
  • the supply of the coating gas can also into the free plasma 14. It is also possible to use the coating gas add to the primary gas or the secondary gas. If on the creation of a Vacuum in the guide tube 32 is omitted, the coating gas can also be fed through this guide tube.
  • the fiber 12 consists of electrically conductive material or electrically conductive is coated, it must be prevented that the arc 38 directly on the fiber overturns. If the fiber 12 is at ground potential, this can be done about by having the inner electrode 28 grounded and instead the voltage is applied to the nozzle tube 16 and / or the guide tube 32 beyond the inner electrode 28 into the hot plasma zone or even into that Free plasma 14 is extended.
  • the method described is suitable for plasma treatment and / or thermal Treatment of rod or filamentary materials, preferably should have a round or approximately round cross-section.
  • the Diameter of the treating material can be configured accordingly the plasma nozzle, for example, in the order of 0.1 to 10 mm lie.

Landscapes

  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Plasma Technology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Chemical Vapour Deposition (AREA)
EP99118618A 1998-10-16 1999-09-21 Procédé et dispositif de traitement par plasma d'un matériel sous forme de barre ou de fil Expired - Lifetime EP0994637B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19847774A DE19847774C2 (de) 1998-10-16 1998-10-16 Vorrichtung zur Plasmabehandlung von stab- oder fadenförmigem Material
DE19847774 1998-10-16

Publications (3)

Publication Number Publication Date
EP0994637A2 true EP0994637A2 (fr) 2000-04-19
EP0994637A3 EP0994637A3 (fr) 2002-10-23
EP0994637B1 EP0994637B1 (fr) 2005-12-14

Family

ID=7884706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99118618A Expired - Lifetime EP0994637B1 (fr) 1998-10-16 1999-09-21 Procédé et dispositif de traitement par plasma d'un matériel sous forme de barre ou de fil

Country Status (4)

Country Link
US (1) US6355312B1 (fr)
EP (1) EP0994637B1 (fr)
AT (1) ATE313240T1 (fr)
DE (2) DE19847774C2 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10219197C1 (de) * 2002-04-29 2003-09-25 Fh Hildesheim Holzminden Goe Verfahren und Vorrichtung zur Behandlung der Oberflächen eines Metalldrahts, insbesondere als Beschichtungsvorbehandlung
WO2010067306A3 (fr) * 2008-12-09 2010-08-12 Advanced Machines Sàrl Dispositif et procédé de génération d'un flux de plasma
CN102379163A (zh) * 2009-04-02 2012-03-14 莱茵豪森等离子有限公司 用于产生成束的等离子体束的方法和射束发生器
DE102012104224A1 (de) 2012-05-15 2013-11-21 Plasmatreat Gmbh Vorrichtung und Verfahren zur Behandlung eines Drahts aus leitfähigem Material
EP2320715A3 (fr) * 2009-11-06 2014-03-26 Korea Institute of Industrial Technology Système d'affinage d'UMG Si utilisant une torche à plasma à vapeur
WO2014106577A1 (fr) * 2013-01-04 2014-07-10 Ford-Werke Gmbh Dispositif de revêtement thermique d'une surface
WO2014191012A1 (fr) 2013-05-27 2014-12-04 Plasmatreat Gmbh Dispositif et procédé de traitement d'un fil en matériau conducteur
CN105027685A (zh) * 2012-11-19 2015-11-04 阿本兹81-40 通过非等温反应等离子体助剂处理两相碎片状或粉状材料的方法和装置
CN109896580A (zh) * 2017-12-08 2019-06-18 松下知识产权经营株式会社 液体处理装置
CN114192090A (zh) * 2021-12-01 2022-03-18 中国科学院合肥物质科学研究院 一种基于直流电弧等离子体炬制备氧化锆的装置
CN116157197A (zh) * 2020-08-03 2023-05-23 韩国核融合能源研究院 控制氮氧化物的方法和装置和制备含氮氧化物的水的方法

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US20040011378A1 (en) * 2001-08-23 2004-01-22 Jackson David P Surface cleaning and modification processes, methods and apparatus using physicochemically modified dense fluid sprays
DE10331608A1 (de) * 2003-07-12 2005-01-27 Hew-Kabel/Cdt Gmbh & Co. Kg Verfahren zum Beschichten und/oder partiellen Umspritzen von flexiblem langgestrecktem Gut
US20060172081A1 (en) * 2005-02-02 2006-08-03 Patrick Flinn Apparatus and method for plasma treating and dispensing an adhesive/sealant onto a part
US7547861B2 (en) * 2006-06-09 2009-06-16 Morten Jorgensen Vortex generator for plasma treatment
US20070284342A1 (en) * 2006-06-09 2007-12-13 Morten Jorgensen Plasma treatment method and apparatus
DE102007043333B4 (de) 2007-09-12 2011-05-05 Maschinenfabrik Reinhausen Gmbh Verfahren zur Behandlung und Untersuchung von Bauteilen
DK2209354T3 (da) * 2009-01-14 2014-07-14 Reinhausen Plasma Gmbh Strålegenerator til generering af en koncentreret plasmastråle
DE102009004968B4 (de) * 2009-01-14 2012-09-06 Reinhausen Plasma Gmbh Strahlgenerator zur Erzeugung eines gebündelten Plasmastrahls
US20110121108A1 (en) * 2009-11-24 2011-05-26 Stephan Rodewald Plasma polymerization nozzle
US11357093B2 (en) * 2016-12-23 2022-06-07 Plasmatreat Gmbh Nozzle assembly, device for generating an atmospheric plasma jet, use thereof, method for plasma treatment of a material, in particular of a fabric or film, plasma treated nonwoven fabric and use thereof
JP6678336B2 (ja) * 2017-05-11 2020-04-08 パナソニックＩｐマネジメント株式会社 洗濯機すすぎ水浄化装置及び洗濯装置
ES2952997T3 (es) * 2018-06-22 2023-11-07 Molecular Plasma Group Sa Método y aparato mejorados para la deposición de revestimiento por chorro de plasma a presión atmosférica sobre un sustrato
CN112744370B (zh) * 2020-12-30 2024-08-20 中国航天空气动力技术研究院 一种3d打印电弧加热器旋气室
DE102021124953A1 (de) 2021-09-27 2023-03-30 Plasmatreat Gmbh Verfahren und vorrichtung zur herstellung eines glasfaserprodukts sowie glasfaserprodukt und dessen verwendung

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US5354963A (en) * 1992-03-31 1994-10-11 Sket Schwermaschinenbau Magdeburg Process and a device for continuous surface treatment of rod-shaped, longitudinally extended materials with metal surfaces using a magnetically displaced plasma arc

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FR1350055A (fr) * 1962-12-11 1964-01-24 Centre Nat Rech Scient Perfectionnements à l'injection des gaz dans les chalumeaux à plasma
DE1919052A1 (de) * 1969-04-15 1970-10-22 Erdmann Jesnitzer Dr Ing Habil Verfahren zur Vorwaermung beim Drahtziehen sowie die Rueckbildung des kaltverformten Zustandes von gezogenem Draht
US5354963A (en) * 1992-03-31 1994-10-11 Sket Schwermaschinenbau Magdeburg Process and a device for continuous surface treatment of rod-shaped, longitudinally extended materials with metal surfaces using a magnetically displaced plasma arc

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10219197C1 (de) * 2002-04-29 2003-09-25 Fh Hildesheim Holzminden Goe Verfahren und Vorrichtung zur Behandlung der Oberflächen eines Metalldrahts, insbesondere als Beschichtungsvorbehandlung
US8847101B2 (en) 2008-12-09 2014-09-30 Advanced Machine Sarl Device and method for generating a plasma flow
WO2010067306A3 (fr) * 2008-12-09 2010-08-12 Advanced Machines Sàrl Dispositif et procédé de génération d'un flux de plasma
EP2613614A1 (fr) * 2008-12-09 2013-07-10 Advanced Machines Sàrl Dispositif de génération d'un flux de plasma
CN102379163A (zh) * 2009-04-02 2012-03-14 莱茵豪森等离子有限公司 用于产生成束的等离子体束的方法和射束发生器
CN102379163B (zh) * 2009-04-02 2014-06-11 莱茵豪森等离子有限公司 用于产生成束的等离子体束的方法和射束发生器
EP2320715A3 (fr) * 2009-11-06 2014-03-26 Korea Institute of Industrial Technology Système d'affinage d'UMG Si utilisant une torche à plasma à vapeur
US8790584B2 (en) 2009-11-06 2014-07-29 Korea Institute Of Industrial Technology System for refining UMG Si using steam plasma torch
DE102012104224A1 (de) 2012-05-15 2013-11-21 Plasmatreat Gmbh Vorrichtung und Verfahren zur Behandlung eines Drahts aus leitfähigem Material
CN105027685B (zh) * 2012-11-19 2019-04-05 阿本兹 81-40 通过非等温反应等离子体助剂处理两相碎片状或粉状材料的方法和装置
CN105027685A (zh) * 2012-11-19 2015-11-04 阿本兹81-40 通过非等温反应等离子体助剂处理两相碎片状或粉状材料的方法和装置
CN104955582A (zh) * 2013-01-04 2015-09-30 福特全球技术公司 用于热涂覆表面的装置
CN104955582B (zh) * 2013-01-04 2017-05-17 福特全球技术公司 用于热涂覆表面的装置
US10124354B2 (en) 2013-01-04 2018-11-13 Ford Global Technologies, Llc Plasma nozzle for thermal spraying using a consumable wire
WO2014106577A1 (fr) * 2013-01-04 2014-07-10 Ford-Werke Gmbh Dispositif de revêtement thermique d'une surface
WO2014191012A1 (fr) 2013-05-27 2014-12-04 Plasmatreat Gmbh Dispositif et procédé de traitement d'un fil en matériau conducteur
CN109896580A (zh) * 2017-12-08 2019-06-18 松下知识产权经营株式会社 液体处理装置
CN109896580B (zh) * 2017-12-08 2021-10-15 松下知识产权经营株式会社 液体处理装置
CN116157197A (zh) * 2020-08-03 2023-05-23 韩国核融合能源研究院 控制氮氧化物的方法和装置和制备含氮氧化物的水的方法
CN114192090A (zh) * 2021-12-01 2022-03-18 中国科学院合肥物质科学研究院 一种基于直流电弧等离子体炬制备氧化锆的装置
CN114192090B (zh) * 2021-12-01 2023-08-25 中国科学院合肥物质科学研究院 一种基于直流电弧等离子体炬制备氧化锆的装置

Also Published As

Publication number Publication date
ATE313240T1 (de) 2005-12-15
EP0994637B1 (fr) 2005-12-14
EP0994637A3 (fr) 2002-10-23
DE59912921D1 (de) 2006-01-19
US6355312B1 (en) 2002-03-12
DE19847774A1 (de) 2000-05-04
DE19847774C2 (de) 2002-10-17

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